Cooling device for internal-combustion engines.



M R. B. VAUGHN. COOLING DEVIUEPOB. INTERNAL GOMBUSTION ENGINES.

' APPLIOATIQN rILEn we. 25, i909.

9`7 1,32 mmm 89pm?, 1910.

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RALPH BROOKS VAUGHN, OF WILKES-BARRE, PENNSYLVANIA.

VCOOLING DEVICE FOR INTERNAE-COMBUSTION ENGINES.

A Specification of Letters Patent.` Patented Sept. 27, 1,910.

Application filed August 2.5, 1909. Serial No. 514,508.

To all cham it may concern:

Be 1t known that I, RALPH Bnooiis Vaccins, a citizen ofthe UnitedStates, and

the device as compact as possible, yet facilitate the intimateintermixing and commingling of the air and water to uniformly andthoroughly coolthe latter.

-A further important object ofmy invention is toinsure the formation ofa power ful explosive in the engine cylinder, and at the Vsame time,conserving sonie'of the heat from the jacket by delivering to thecarbureter of the engine, the moist Warm air coming from the coolingdevice.

My invention maybe utilized in apparatus of various different forms, andvarious changes may be made inthe construction and details of thedevice, within the scope of the appended claims, without departing fromthe spirit of my invention.

The practical embodiment of 'the invention is represented in the.accompanying drawings forming a part of this specification, in lwhichthe figure is a side elevationof the improvement as applied to anengine, parts being shown in section.

My improved cooling device may be used i with internal combustionengines of any form orcharacter, and of any size' desired.

For purposes of illustration, I have shown an engine having fourcylinders 10, all connected to the same crank case 11. Air is drawn inthrough a conduit 12 toa carbureter 13, and the explosive mixture isdelivered from the carbureter through conduits 14 and branch conduitsV15 to the inlet ports of the several cylinders.' The exhaust gas leavesthe several cylinders throughexhaust conduits 16, all of which .lead toan exhaust'manifold 17. Each cylinder has a Water-cooling jacket, to allof which Water may be delivered through a water delivery conduit 18, andfrom all of which the heated water may leave through an outlet conduit19. None of the features so far described embody any feature of myinvention. All of these parts are merely conventionally illustrated andmay .bereplaced by their' equivalents in the art.

In 'connection with the engine above del scribed, I employ awater-cooling means in which air -is delivered into directandjintimatecontact with the water, so as to remove vthe heat from the latter, bothby evaporation of the water-and by direct cooling. This cooling meansincludes a water tank 20, from which the water may be drawn off througha conduit 21 by means of a rotary pump 22 and delivered to the eno'inejackets through the conduit 18. Leading to this tank isadiagonally-disposed conduit '23 having a wide flaring nozzle 24delivering thereto in the upper side and` adjacent the1 upper-end. Thisnozzle has a perforated battle plate 25 and is direct-ly connected to lthe outlet conduit 19 for thewater coming from the engine"jacketslVithinthe con duit 23 and beneath the nozzle andl perforated spraying plate25, is a baltleplate 2G extending lengthwise of the conduit and4 havingits lower edge upturned. The con duit 23, at its lower end, is bent backupon itself a plurality of times, so as to form a chamber 27, downthrough which the water and air must pass. The lower surface of theconduit 23 extends into this chamber to form a batlle 28 and a' somewhatsimilar baille 29 'extends into the chamber from the side opposite tothe conduit 23.' Each of these battles'has its lower edge slightlyupturn'ed, and the chamber atits lower end delivers directly to the topof the water tank 20.. At the upper end of the conduit 23 I provlde arotary blower or fan 30 of any suitable char-4 .acter and operated inany suitable manner, for

forcing air down through said conduit. The cool airis drawn in from theoutside atmosphere and forced down through the conduit 28 to the battle26. Here a portion of the air passes above the baille and through thespray falling from the spray plate 25, and theremainder passes beneaththe battle plate. The sprayed waterstrikes the baille plates ardoverflows from the lower end, and the air which passes beneath thebattle plate is forced through this falling sheet of water at the loweredge of the balile. The water and air A' t`ravel together to the lowerend of the conduit 18, and as the waterfalls from the battle 28 andlater from the baille 29, the air is compelled to pass through the sheetof water. The air and water are de livered to-l gether to the tank Q0,and by the ltime they 'reach the tank, the air and water have reachedthe saine temperature,which'- is con siderably lower than the mean ofthe temi peratures of the incoming air and water at the upper end of theconduit, as the vaporization of a portion of the water tends to lowerthe temperature ot' both the water and the air. The air and the waterseparate in the tank 20, the 4waterloeing drawn olf through the conduit2l and returned to the jacket, while the air escapes through a conduit3l. This air is of somewhat higher temj'ierature than the outsidetemperature and is also saturated with Amoisture, andin order to utilizethis air in forming the. e'.\;

plosive mixture,.l termiuatethc conduit 31 in a nozzle 32, disposedclosely adjacent the inlet end. of the air intake pipe 12. The" airintake pipe j'nfef'erably is joined toa head or sleeve 33 encirclingtheexhaust pipe, and one end ot' this head or' sleeve is lett open,sothat the air drawn in will travel along' the outer surface of theexhaust pipe and become. heated thereby. The delivery nozzle flaresoutwardly and delivers against the exhaust pipe, so that the moist airwill travel along the surface oi the exhaust pipe and becon'ieheatedbc'tore being drawn in to the end of the head or sleeve 32%.

Moisture in the air aids in forming a more powerful explosive' mixtureand the free heating oi? the air aids in the vaporization of thel luelin the carburetor. I It the eng-hifis to be used on a vehicle orotherwise subject to a jarring or a shaking action, the tank ispreferably provided with a plurality ot transverse perforated orreticulated partitions or plates 34, and a float secured to the bottomof the tank by a suitable flexible connection 36. 'lhese plates and thefloat tend to prevent the water from splashingr and the plates tend tofacilitate the sejiaration oi" the water from the'ail'.

Having thus described my invention, l

claim as new and desire to secure by Letters Patent:

1. An explosion engine provided with aV cooling device comprising awater storage 'tank connected-with the water jacket of the engine,'and aspraying and cooling device having a spraying nozzle connected with theoutlet of the water jacket, a spraying chamber containing the saidnozzle and having connection with the said water storage tank, means forproducing air currents in the said chamber to cool the sprayed waterprevious to its return to the said tank, and a ventpipel batllesadjacent the lower end of the conduit,

a tank for receiving water from said conduit, means forv returning thewater from said conduit to the engine jacket, and means for returningthe air from-said tank to the inlet ofthe carburcter of the engine.v

3. An internal..combustion engine, provided Wit-h. a cooling device4comprising a water storage tank connected with the water jacket of theengine, a spraying and cooling device having a spraying nozzle connectedwith the outlet of the water jacket, a spraying chamber separate. fromsaid water. tank and containing said nozzle, a

conduit delivering downwardly at an incline from said spraying andcooling chamber to said water storage tank, a plurality of battlesadjacent the lower end of said conduit, and means for blowing airthrough' said chamber and said conduit, to cool the spraying waterprevious to its return to said tank. In testimony whereof I' have signedmy name to this specification in the presence oli' two subscribingwitnesses.

` ltALlI-l. BROOKS VAUGHN. Witnesses:

W. ll'. limrix,

